He Lived in the Late Qin Dynasty, and His Biological Father Was Liu Bang, the Great Ancestor of the Han Dynasty.

Reborn in ancient times, he became the illegitimate son of Liu Bang, the founder of the Han Dynasty. The five-year-old Liu Fei relied on his solid basic medical skills and his own pharmacy space to successfully counterattack with his own resourcefulness in the troubled times. With the help of the reputation of the Medical Saint, he successfully won the hearts of the people and stopped the war at the end of the feudal Qin and the beginning of the Han Dynasty. When the Han Dynasty was in danger, he put down the rebellion of Zhu Lu and became the king of the era. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.